package ch04.d1;

public class Student extends Person {

    Student(){
        super("张三");
        System.out.println("子类构造器");
    }
    int score;
     @Override
    public void sing() {
        System.out.println("让我们荡起双桨");
    }
    public void study() {
        System.out.println("学习");
    }

    public void m1(Object x){

         System.out.println();

         Object[] a=new Object[12];
         a[0]=12;
         a[1]="";

    }


}
